CVE-2026-126797
Last modified
CVE-2026-126797 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full access to user management, scan tasks and stored vulnerability results.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
Description
NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full access to user management, scan tasks and stored vulnerability results.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| tongcheng-security-team | NextScan | >= 1.1.0, <= 1.2.0 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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